一本

What does 一本 mean in English?

1. one long cylindrical thing; one film, TV show, etc.; one goal, home run, etc.; one telephone call(n)
2. one version(n)
3. one book; a certain book(n)
4. ippon; one point; a blow(n)
5. geisha(n)
6. single-minded focus on ...(n-suf)